Metal casting Patent Leaders 2016

Rankings count each patent once by its primary Cooperative Patent Classification. All-time pages aggregate the full database; year pages use patent grant year.

Recent years: 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Patents per Year

Top Inventors

Rank ↑	Inventor ↕	Patents ↕	Primary Company ↕
1	Christopher D. Prest	9	Apple
2	Joseph C. Poole	8	Apple
3	Joseph Stevick	7	Apple
#4	Theodore A. Waniuk	7	Apple
#5	Dermot J. Stratton	6	Apple
#6	JinQuan Xu	6	RTX (Raytheon)
#7	Lea Kennard Castle	6	RTX (Raytheon)
#8	Matthew S. Scott	6	Apple
#9	Zhaoli Hu	5	GE
#10	Brandon W. Spangler	4	RTX (Raytheon)
#11	Donald G. Godfrey	4	Honeywell
#12	Hitoshi Ishida	4	Kobe Steel
#13	John McBrien	4	RTX (Raytheon)
#14	Mark C. Morris	4	Honeywell
#15	Sean O'Keeffe	4	Apple
#16	Tracy A. Propheter-Hinckley	4	RTX (Raytheon)
#17	Daisuke Matsuwaka	3	Kobe Steel
#18	Daiki Takahashi	3	Kobe Steel
#19	David R. Whitcomb	3	Carestream Health
#20	Eisuke Kurosawa	3	Kobe Steel
#21	Erik L. Gotlund	3	Nevis Industries
#22	Gyo Hyun Hwang	3	LG
#23	Hidetaka Kanahashi	3	Kobe Steel
#24	Hideto Oyama	3	Kobe Steel
#25	John R. Paulus	3	Mikro Systems
#26	Kazuyuki Tsutsumi	3	Kobe Steel
#27	Masahiro AONO	3	Tanaka Kikinzoku Kogyo K.K.
#28	Masahiro Nishiura	3	Tanaka Kikinzoku Kogyo K.K.
#29	Michael R. Hanrahan	3	Hitchiner Manufacturing Co.
#30	Michael Paul Rowe	3	Toyota
#31	Robert Bruce Wagstaff	3	Novelis
#32	Ryousuke Kushibiki	3	Tanaka Kikinzoku Kogyo K.K.
#33	Sang Hoon Kim	3	Samsung
#34	Skip L. Patteuw	3	Hitchiner Manufacturing Co.
#35	Takanobu Miyashita	3	Tanaka Kikinzoku Kogyo K.K.
#36	Takehiro Nakaoka	3	Kobe Steel
#37	Takamichi Yamamoto	3	Tanaka Kikinzoku Kogyo K.K.
#38	Yasuyuki Goto	3	Chisso
#39	Yuichi Furukawa	3	Toyota
#40	Zhiyue Xu	3	—
#41	Aaron L. Fosdick	2	AMD
#42	Agnes Klucha	2	RTX (Raytheon)
#43	Anil K. Sachdev	2	General Motors
#44	Arno Stranimaier	2	Refractory Intellectual Property
#45	Awatif Ahmed Hendi	2	King Saud University
#46	Bernard Patrick Bewlay	2	GE
#47	Benno Steiner	2	Stopinc Aktiengesellschaft
#48	Brian Michael Ellis	2	GE
#49	CAI-HUA WANG	2	Foxconn Technology Group Co.
#50	Chun-Jung Chang	2	Foxconn Technology Group Co.
#51	Chen-Shen Lin	2	Foxconn Technology Group Co.
#52	Daniel Bonnet	2	Compagnie Generale Des Etablissements Michelin
#53	Daniel Meister	2	Federal-Mogul Wiesbaden Gmbh
#54	Gerard M. Ludtka	2	Ut-Battelle
#55	Gerald Nitzl	2	Refractory Intellectual Property
#56	Haotian Sun	2	China North Magnetic & Electronic Technology Co.
#57	Hidekazu Moriyama	2	Seiko Epson
#58	Hideto Terada	2	Sintokogio
#59	Homare Kuribayashi	2	Seiko Epson
#60	Holger Schmitt	2	Koniniklijke Philips N.V.
#61	Iain Fraser	2	Mikro Systems
#62	Ignaz Huber	2	Georg Fischer
#63	Jae Ryung Lee	2	Posco Co.
#64	John W. Foltz, IV	2	AMD
#65	John Lapszynski	2	Howmedica Osteonics
#66	Joan McKiever	2	GE
#67	John B. Wilgen	2	Ut-Battelle
#68	Johannes Wunder	2	Georg Fischer
#69	Jun Yeon Cho	2	LG
#70	Jun Yaokawa	2	Toyota
#71	Junping Zhang	2	Huawei
#72	Kazuki Funahashi	2	Ricoh Company
#73	Kazuyuki Yamaguchi	2	Toyota Industries
#74	Koki HIRATA	2	Seiko Epson
#75	Kristopher A. Darling	2	US Army
#76	Kun Min Park	2	Hyundai Motor
#77	Kwanghyun Kim	2	LG
#78	Laszlo J. Kecskes	2	US Army
#79	Manal Ahmed Gasmelseed Awad	2	King Saud University
#80	Mario P. Bochiechio	2	RTX (Raytheon)
#81	Martin Hosek	2	Persimmon Technologies
#82	Makoto Kikuchi	2	Hitachi
#83	Man Sig Lee	2	Korea Institute Of Industrial Technology
#84	Makoto Nagasawa	2	Nippon Shokubai Co.
#85	Masaya Shibatani	2	Seiko Epson
#86	Masaru Terada	2	Seiko Epson
#87	Michael P. Appleby	2	Mikro Systems
#88	Min A Bae	2	Industrial Cooperation Foundation Chonbuk National University
#89	Michael Guenzel	2	Georg Fischer
#90	Mitsuaki Mochizuki	2	Hitachi
#91	Michael Werner	2	Science House
#92	Minoru Yamada	2	Fujitsu Limited
#93	Mohan Sundar	2	General Motors
#94	Myung Hwan Kim	2	Samsung
#95	Naoyuki Toyoda	2	Seiko Epson
#96	Nicholas Vincent McLasky	2	GE
#97	Nick Salamasick	2	Bedloe Industries
#98	Norbert Erhard	2	Oskar Frech Gmbh + Co. Kg
#99	Quoc Tran Pham	2	Apple
#100	Raul A. Martinez-Ayers	2	AMD

Top Companies

Rank ↑	Company ↕	Patents ↕
1	RTX (Raytheon)	21
2	GE	13
3	Toyota	13
#4	Apple	9
#5	General Motors	9
#6	AMD	5
#7	Baker Hughes Holdings	5
#8	Sintokogio	5
#9	Honeywell	5
#10	Danieli & C. Officine Meccaniche S.P.A.	4
#11	Dowa Electronics Materials Co.	4
#12	Kobe Steel	4
#13	Ksm Castings Group Gmbh	4
#14	Refractory Intellectual Property	4
#15	Tanaka Kikinzoku Kogyo K.K.	4
#16	Carestream Health	3
#17	Crucible Intellectual Property	3
#18	Hitachi	3
#19	Hitchiner Manufacturing Co.	3
#20	Hyundai Motor	3
#21	Kennametal	3
#22	Mikro Systems	3
#23	Mtu Aero Engines Ag	3
#24	Nevis Industries	3
#25	Novelis	3
#26	Rolls-Royce Plc	3
#27	Sandvik Intellectual Property Ab	3
#28	Snecma	3
#29	Unknown	3
#30	LG	3
#31	Arcelormittal Investigación Y Desarrollo, S.L.	2
#32	CNRS	2
#33	China North Magnetic & Electronic Technology Co.	2
#34	Commonwealth Scientific And Industrial Research Organisation	2
#35	Compagnie Generale Des Etablissements Michelin	2
#36	Council Of Scientific And Industrial Research	2
#37	Federal-Mogul Wiesbaden Gmbh	2
#38	Foxconn Technology Group Co.	2
#39	Fujiwa Denki Co.	2
#40	Fu Zhun Precision Industry (Shen Zhen) Co.	2
#41	Georg Fischer	2
#42	Georg Fischer Gmbh & Co Kg	2
#43	H.C. Starck	2
#44	Hitachi Chemical Company	2
#45	Honda Motor Co.	2
#46	Howmedica Osteonics	2
#47	Toyota Industries	2
#48	King Saud University	2
#49	Lateral Solutions	2
#50	Michelin	2
#51	Mitsubishi Materials	2
#52	Nippon Steel & Sumitomo Metal	2
#53	Nsk	2
#54	Oskar Frech Gmbh + Co. Kg	2
#55	Persimmon Technologies	2
#56	Posco Co.	2
#57	Seiko Epson	2
#58	Siemens Aktiengesellschaft	2
#59	Siemens Energy	2
#60	Stopinc Aktiengesellschaft	2
#61	US Army	2
#62	University Of Washington	2
#63	Ut-Battelle	2
#64	Xerox	2
#65	AT&T	1
#66	Aerojet Rocketdyne Of De	1
#67	Aichi Machine Industry Co.	1
#68	Alcoa	1
#69	Amastan Technologies	1
#70	Apex Advanced Technologies	1
#71	Arcam Ab	1
#72	Ask Chemicals	1
#73	Bando Chemical Industries	1
#74	Basf Se	1
#75	Bedloe Industries	1
#76	Beihang University	1
#77	Brunel University	1
#78	Brunswick	1
#79	Chemetall Gmbh	1
#80	Chemex	1
#81	Citic Dicastal Co.	1
#82	Cool Options	1
#83	Degudent Gmbh	1
#84	Dell Products	1
#85	Denka Company Limited	1
#86	Denso	1
#87	Dresser-Rand	1
#88	Dr. Ing. H.C. F. Porsche Ag	1
#89	Element Six Limited	1
#90	Embraco Europe S.R.L.	1
#91	Empire Technology Development	1
#92	Entek Manufacturing	1
#93	Esm	1
#94	Federal-Mogul Worldwide	1
#95	Fill Gesellschaft M.B.H.	1
#96	Filtrauto	1
#97	Giesecke & Devrient Gmbh	1
#98	Gkn Sinter Metals	1
#99	Gold Nanotech	1
#100	Grid Logic Incorporated	1

Metal casting Patent Leaders in 2016 2016

Patents per Year

Top Inventors

Top Companies